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Finding the Fourth Proportional to 488,099.48, 673,557.59 and 284,156.26

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Solution

The fourth proportional to 488,099.48, 673,557.59 and 284,156.26 is: 392,124.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,099.48 : 673,557.59 = 284,156.26 : x
  2. Step 2: Convert to fraction form
    488,099.48/673,557.59 = 284,156.26/x
  3. Step 3: Cross multiply
    488,099.48x = 673,557.59 × 284,156.26
  4. Step 4: Simplify right side
    488,099.48x = 191,395,604,695.51
  5. Step 5: Solve for x
    x = 191,395,604,695.51/488,099.48
  6. Step 6: Final answer
    x = 392,124.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.